Bureau of Indian Affairs (BIA)
614,127Words in 116 parts
12.1Restriction density (per 1,000 words)
17.9Reading grade
86.3%Unchanged since 2017
6Flagged parts
2025-06-05Last change
Section changes per year
From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.
Text and size
- Sentences
- 31.4 words on average; 22.2% over 40 words; 30.3% passive; 13.7 cross-references per 1,000 words
- Sentence types
- definition 8.5% · prohibition 2.3% · paperwork 7.1% · obligation 21.2% · permission 12.9% · other 48.1%
- Checksum
6cf0524066bb82e7e6b4d70152355eeb27c5c4306e2764ab3f9569c812819ac7
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 207 top 10% | 25 CFR 226
LEASING OF OSAGE RESERVATION LANDS FOR OIL AND GAS MINING
High signals: Restriction density
+2.7 SD · Directive share
+2.1 SD |
10,741 | 0.98 |
| 226 top 10% | 25 CFR 291
CLASS III GAMING PROCEDURES
High signals: Paperwork share
+2.3 SD · Reading grade
+1.9 SD · Directive share
+1.3 SD |
2,287 | 0.96 |
| 273 top 10% | 25 CFR 215
LEAD AND ZINC MINING OPERATIONS AND LEASES, QUAPAW AGENCY
High signals: Directive share
+1.7 SD · Restriction density
+1.5 SD · Paperwork share
+1.1 SD |
6,006 | 0.91 |
| 398 top 10% | 25 CFR 216
SURFACE EXPLORATION, MINING, AND RECLAMATION OF LANDS
High signals: Directive share
+1.5 SD · Paperwork share
+1.3 SD · Restriction density
+1.2 SD |
3,471 | 0.82 |
| 414 top 10% | 25 CFR 87
USE OR DISTRIBUTION OF INDIAN JUDGMENT FUNDS
High signals: Directive share
+1.6 SD · Paperwork share
+1.3 SD · Restriction density
+1.1 SD |
3,137 | 0.81 |
| 516 top 10% | 25 CFR 211
LEASING OF TRIBAL LANDS FOR MINERAL DEVELOPMENT
High signals: Restriction density
+1.4 SD · Directive share
+1.3 SD |
9,327 | 0.75 |
| 702 | 25 CFR 23
INDIAN CHILD WELFARE ACT
High signals: Size
+1.1 SD |
21,749 | 0.68 |
| 711 | 25 CFR 213
LEASING OF RESTRICTED LANDS OF MEMBERS OF FIVE CIVILIZED TRIBES, OKLAHOMA, FOR MINING
High signals: Restriction density
+1.4 SD · Directive share
+1.2 SD |
8,962 | 0.67 |
| 721 | 25 CFR 214
LEASING OF OSAGE RESERVATION LANDS, OKLAHOMA, FOR MINING, EXCEPT OIL AND GAS
High signals: Restriction density
+2.4 SD · Directive share
+1.3 SD |
3,658 | 0.67 |
| 808 | 25 CFR 36
MINIMUM ACADEMIC STANDARDS FOR THE BASIC EDUCATION OF INDIAN CHILDREN AND NATIONAL CRITERIA FOR DORMITORY SITUATIONS
High signals: Restriction density
+2.3 SD · Directive share
+1.1 SD |
10,992 | 0.63 |
| 930 | 25 CFR 225
OIL AND GAS, GEOTHERMAL, AND SOLID MINERALS AGREEMENTS
High signals: Directive share
+1.0 SD |
6,499 | 0.58 |
| 940 | 25 CFR 900
CONTRACTS UNDER THE INDIAN SELF-DETERMINATION AND EDUCATION ASSISTANCE ACT
High signals: Size
+1.5 SD |
34,403 | 0.58 |
| 960 | 25 CFR 67
PREPARATION OF A ROLL OF INDEPENDENT SEMINOLE INDIANS OF FLORIDA
High signals: Restriction density
+1.6 SD · Paperwork share
+1.5 SD · Directive share
+1.1 SD |
2,838 | 0.57 |
| 965 | 25 CFR 61
PREPARATION OF ROLLS OF INDIANS
High signals: Paperwork share
+1.6 SD |
7,533 | 0.57 |
| 1,185 | 25 CFR 163
GENERAL FORESTRY REGULATIONS
High signals: none above 1 SD; ranked by the combined score |
16,004 | 0.51 |
| 1,283 | 25 CFR 11
COURTS OF INDIAN OFFENSES AND LAW AND ORDER CODE
High signals: Size
+1.2 SD |
24,083 | 0.48 |
| 1,331 | 25 CFR 249
OFF-RESERVATION TREATY FISHING
High signals: Directive share
+1.4 SD · Reading grade
+1.2 SD |
2,107 | 0.46 |
| 1,356 | 25 CFR 43
MAINTENANCE AND CONTROL OF STUDENT RECORDS IN BUREAU SCHOOLS
High signals: Paperwork share
+1.6 SD · Restriction density
+1.1 SD |
3,635 | 0.45 |
| 1,376 | 25 CFR 292
GAMING ON TRUST LANDS ACQUIRED AFTER OCTOBER 17, 1988
High signals: Reading grade
+1.2 SD |
4,678 | 0.45 |
| 1,385 | 25 CFR 162
LEASES AND PERMITS
High signals: Size
+1.9 SD |
55,877 | 0.44 |
| 1,388 | 25 CFR 17
ACTION ON WILLS OF OSAGE INDIANS
High signals: Restriction density
+2.7 SD · Paperwork share
+1.0 SD |
1,426 | 0.44 |
| 1,398 | 25 CFR 173
CONCESSIONS, PERMITS AND LEASES ON LANDS WITHDRAWN OR ACQUIRED IN CONNECTION WITH INDIAN IRRIGATION PROJECTS
High signals: Restriction density
+2.3 SD · Directive share
+1.2 SD |
1,921 | 0.44 |
| 1,410 | 25 CFR 91
GOVERNMENT OF INDIAN VILLAGES, OSAGE RESERVATION, OKLAHOMA
High signals: Restriction density
+2.1 SD · Directive share
+1.1 SD |
2,894 | 0.44 |
| 1,420 | 25 CFR 227
LEASING OF CERTAIN LANDS IN WIND RIVER INDIAN RESERVATION, WYOMING, FOR OIL AND GAS MINING
High signals: Restriction density
+1.1 SD |
4,743 | 0.43 |
| 1,493 | 25 CFR 103
LOAN GUARANTY, INSURANCE, AND INTEREST SUBSIDY
High signals: none above 1 SD; ranked by the combined score |
10,249 | 0.42 |
Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 25. A flag is not a finding.
Statutes behind the most text
- 25 U.S.C. 2: 337,634 words in 46 parts (55.0% of this agency's text)
- 5 U.S.C. 301: 302,098 words in 48 parts (49.2% of this agency's text)
- 44 U.S.C. 3101: 79,808 words in 5 parts (13.0% of this agency's text)
- 25 U.S.C. 13: 79,405 words in 11 parts (12.9% of this agency's text)
- 25 U.S.C. 9: 78,301 words in 8 parts (12.7% of this agency's text)
- 25 U.S.C. 380: 55,877 words in 1 parts (9.1% of this agency's text)
- 43 U.S.C. 1457: 46,479 words in 7 parts (7.6% of this agency's text)
- 25 U.S.C. 450f: 34,403 words in 1 parts (5.6% of this agency's text)
- 23 U.S.C. 201: 26,740 words in 1 parts (4.4% of this agency's text)
- 5 U.S.C. 2: 26,740 words in 1 parts (4.4% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 25 CFR 162: LEASES AND PERMITS (55,877 words)
- 25 CFR 900: CONTRACTS UNDER THE INDIAN SELF-DETERMINATION AND EDUCATION ASSISTANCE ACT (34,403 words)
- 25 CFR 170: TRIBAL TRANSPORTATION PROGRAM (26,740 words)
- 25 CFR 11: COURTS OF INDIAN OFFENSES AND LAW AND ORDER CODE (24,083 words)
- 25 CFR 23: INDIAN CHILD WELFARE ACT (21,749 words)
- 25 CFR 166: GRAZING PERMITS (18,066 words)
- 25 CFR 169: RIGHTS-OF-WAY OVER INDIAN LAND (16,652 words)
- 25 CFR 276: UNIFORM ADMINISTRATIVE REQUIREMENTS FOR GRANTS (16,009 words)
- 25 CFR 163: GENERAL FORESTRY REGULATIONS (16,004 words)
- 25 CFR 224: TRIBAL ENERGY RESOURCE AGREEMENTS UNDER THE INDIAN TRIBAL ENERGY DEVELOPMENT AND SELF DETERMINATION ACT (15,533 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.